Essential Algebra 1 Vocabulary

Front

What is a variable?

Back

The letter used to represent a quantity.

Front

What is a constant?

Back

A number without a variable.

Front

What is absolute value?

Back

The distance of a number from the origin of a number line; its value is always positive.

Front

How do you write an ordered pair?

Back

(X,Y)

Front

The y values in a relation make up the ____________

Back

range

Front

What is the definition of a coefficient?

Back

The number in front of a variable.

Front

What is the definition of an expression?

Back

A combination of numbers, variables, and operations without an equality sign.

Front

What is the definition of an equation?

Back

A mathematical statement that two expressions are equal.

Front

What is the domain of a function?

Back

The set of all possible input values (x-values) for the function.

Front

What is the range of a function?

Back

The set of all possible output values (y-values) for the function.